2011 |
79%
|
2008 |
75%
|
1984 |
77%
|
2006 |
71%
|
2013 |
66%
|
1959 |
91%
|
1983 |
63%
|
1993 |
49%
|
1994 |
67%
|
1954 |
68%
|
1991 |
75%
|
1961 |
85%
|
1959 |
74%
|
2009 |
70%
|
1985 |
77%
|
1966 |
79%
|
2011 |
57%
|
1991 |
53%
|
1968 |
81%
|
1967 |
81%
|
1967 |
66%
|
1962 |
72%
|
1963 |
72%
|
1997 |
63%
|
1959 |
78%
|
2007 |
78%
|
1960 |
78%
|
1964 |
72%
|
1963 |
72%
|
1965 |
72%
|
1956 |
65%
|
1999 |
64%
|
1980 |
53%
|